JG/T 461-2014 Permanent inverted T-shaped pre-stressed formwork for concrete composite slab

GB 175-1999 Portland cement and ordinary Portland cement GB 175-2007 Common portland cement GB 175-2023 Common portland cement GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 701-1997 Hot-rolled low carbon steel wire rods GB/T 701-2008 Hot rolled low carbon steel wire rods GB/T 1499.1-2008 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.1-2017 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB 1499.1-2024 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.2-2007 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 1499.2-2018 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB 1499.2-2024 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 5223-2002 Steel wires for the prestressing of concrete GB/T 5223-2014 Steel wire for prestressing of concrete GB/T 5223.3-2005 Steel bars prestressed concrete GB/T 5223.3-2017 Steel bars for the prestressing of concrete GB 13014-1991 Remained heat treatment ribbed steel bars for the reinforcement of concrete GB/T 13014-2013 Quenching and self-tempering ribbed bars for the reinforcement of concrete GB 13788-2000 Cold rolled ribbed steel wires and bars GB/T 13788-2008 Cold rolled ribbed steel wires and bars GB/T 13788-2017 Cold rolled ribbed steel bars GB 13788-2024 Cold rolled ribbed steel bars GB/T 14981-1994 Dimenisions shape weight and tolerances for hot-rolled wire rods GB/T 14981-2004 Dimensions,shape,mass and tolerances for hot-rolled wire rods GB/T 14981-2009 Dimension,shape,mass and tolerance for hot-rolled round wire rod GB 50010-2010 Code for design of concrete structures GB 50119-2013 Code for concrete admixture application JGJ 95-2003 Technical specification for concrete structures with cold-rolled ribbed steel wires GB/T 50081-2019 Standard for test methods of concrete physical and mechanical properties GB/T 50107-2010 Standard for evaluation of concrete compressive strength GB 50204-2015 Concrete Structure Construction Quality Acceptance Standards GB 50666-2011 Code for construction of concrete structures JGJ 52-2006 Standard for technical requirements and test method of sand and crushed stone (or gravel) for ordinary concrete JGJ 55-2011 Specification for mix proportion design of ordinary concrete JGJ 63-2006 Standard of water for concrete JGJ 95-2011 Technical specification for concrete structures with cold-rolled ribbed steel wires and bars GB/T 5223-2025 Steel wire for prestressing of concrete